package com.mmall.common;


import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import lombok.extern.slf4j.Slf4j;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.concurrent.TimeUnit;

/**
 * @Author: Czh
 * @Date: 2019/4/9  20:33
 * @Version: 1.0
 **/
@Slf4j
public class TokenCache {
    //private static Logger logger = LoggerFactory.getLogger(TokenCache.class);

    public static final String TOKEN_PREFIX = "token_";

    private static LoadingCache<String , String> localCache = CacheBuilder.newBuilder()
            .initialCapacity(1000).maximumSize(10000).expireAfterAccess(12, TimeUnit.HOURS)
            .build(new CacheLoader<String, String>() {
                @Override
                public String load(String s) throws Exception {
                    return "null";
                }
            });

    public static void setKey(String key , String value){
        localCache.put(key , value);
    }

    public static String getKey(String key){
        String value = null ;
        try {
            value = localCache.get(key);
            if ("null".equals(value)){
                return null;
            }
            return value;
        }catch (Exception e){
            log.error("localCache get error" , e);
        }
        return null;
    }
}
